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236 Entries
Michael Sitton Email
01/08/20

Which page are you viewing? One Tibe Rex and one Tube TX and Power Supply

Comments:
Very interesting and I will try it.

INALDO PEIXOTO COSTA Email
12/12/19

Which page are you viewing? Transmatch

Comments:
Gostei da pagina, parabens.

Gary Email
11/19/19

Which page are you viewing? One Tibe Rx and One Tube TX and Power supply

Comments:
Good Afternoon from UK Guys,  Thank you for a most enjoyable web site. Great to see the old vacuum tube /Thermionic valve circuits alive and well. I really must get around to building some. I have managed a couple of tube kits which are available here in UK. At 72 years and retired for almost 11 years, I have no excuse! During my Army service I even trained on valves as transistors were just coming in. (1964 to 1972 as a regular and 1972 to 1984 as a reservist) I have a lot of family in USA in California and Oregon so always feel close to any USA website about radio. Very Best regards to you all,  Gary

JIM SMISER Email
11/11/19

Which page are you viewing? L-TUNER

Comments:
VERY WELL DONE.  GREAT WEB SITE AND GOOD INFO!
ALWAYS INTERESTED TO SEE WHAT YOU COME UP WITH NEXT.

Stefano Email
09/29/19

Which page are you viewing? 5U4 power supply and 6SL7 receiver

Comments:
Beautiful site and compliments from Italy -amateur radios, and collector.

James Searcy Email
09/13/19

Which page are you viewing? 6SL7 Twinplex Regen

Comments:
Plan to build soon, will let you know if it meets your specifications. Take care,   Jim   WA5WRE

richard hamersly jr Email
07/30/19

Which page are you viewing? twinplex receiver

Comments:
looks like a great project  thanks

N9XFX Dennis Email
07/16/19

Which page are you viewing? L-Network Tuner

Comments:
Used the schematic and built one for myself using a roller inductor and air variable out of an old mfj-989.

Sebastião Souza Email
07/11/19

Which page are you viewing? https://www.qsl.net/k5dh/6aq5.html

Comments:
Very good projects for all amateurs, they are to be congratulated!

David Wickersham Email
06/21/19

Which page are you viewing? All

Comments:
I live in Hamilton, Texas and am looking for a club to join so I can learn more. Any suggestions?

barry M3JBW Email
05/28/19

Which page are you viewing? Tuners

Comments:
Excellent information and photos. Very informative

JigneshDoshi VU2TPF Email
05/23/19

Which page are you viewing? Tuner

Comments:
Just wish to try to make it

Steve K2PLI 
05/14/19

Comments:
I enjoy your site.

Ivan 
04/04/19

Which page are you viewing? T match tuner

Comments:
I have built a T match tuner following your ideas.
Thank you for sharing the information.
Ivan VK5HS

JIM SMISER Email
02/28/19

Which page are you viewing? RED HOT RADIO

Comments:
GREAT CONSTRUCTION.  KEEP IT COMING.

William A Gilchrist 
02/26/19

Which page are you viewing? http://w5dxs.tripod.com/6sl7.htm

Comments:
Hello,

The information on this site is exactly what I was looking for. Thank you very much for this site.

Paul Pedrazza Email
02/18/19

Which page are you viewing? L tuner

Comments:
Hi, I am working on one and only have a 320pf 1930 vintage variable capacitor. Coil I'm using is an air coil. I did the same setup with the Ameco AC-1 but get a little buzzy note on the receiver vs using other tuners.. I will try it on my homebrew shortwave receiver tonight...
I was thinking that if the value of the capacitor has something to do with the slight buzz even though the SWR was down 1:1 and the full watts was out. If that's the case on using a 500 and some variable then I'd have to get one or place 2 of them in series.

PAUL WEGWERT Email
12/26/18

Which page are you viewing? 6L6 transmitter

Comments:
I built and used the same 6L6 transmitter and 5U4 power supply with a 300 ohm 40 meter dipole as my first novice rig in 1968. The schematic came from a Popular Science Project (I think) book circa 195? and  I used toilet paper rolls for the coil form. Brings back memories. Had my first QSO with that same rig. thanks,

73's

KD9JYV

Glendon Email
11/11/18

Which page are you viewing? Single tube regenerative receiver

Comments:
Thanks for sharing your knowledge. 73

Nelson Oscar Lieppert Email
09/14/18

Which page are you viewing? Transmissor com 6DQ6 para iniciantes

Comments:
   Prezado colega James, parabéns pelo seu excelente projeto deste transmissor. Já estou iniciando a construção deste fantástico transmissor para meu shack de rádios. Seguindo corretamente seu esquema tentando fazer exatamente conforme seu projeto.
   Construo artesanalmente meus próprios transmissores para "AM" sempre utilizando moduladores em alto nível, ( modulação em placa ). 
    Sou radioamador brasileiro, há 35 anos opero nos 40m em amplitude modulada, mas gosto também de operar um pouco em telegrafia. 
     Um forte 73, Nelson PY2NVD.
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